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Roger Shultz Roger Shultz is offline
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Join Date: Apr 2010
Location: Hamburg Township, MI
Posts: 75
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+2 on Jeff's post and procedure.

Based on Jeff's post above and followup emails, I followed what he did and it cured the problem. Like Jeff I cleaned the magnet area with a dowel rod wrapped in a paint thinner soaked Handy Wipe and the problem of an intermittent disappeared!

My symptoms seemed heat related. The speedometer operated normally for 10 to 15 minutes, then would start dropping to zero for 12 to 15 minutes, and then it would resume normal operation until stopped and cooled down. It repeated this cycle over the last 4 to 6 months with no exceptions!

I was surprised this cured the problem but it did and for now I'm a happy camper. If it occurs again I will replace the transmitter. Note: The transmitter on the 87 Carrera is on the drivers side, unlike earlier models. This change may occurred with the intro of the G-50 transmission.

THANKS JEFF!!!

Roger
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Former rides
1961 356B 1600 (paid $800 for it in 1968!)
1968 912 soft window brown Targa
1980 911SC Targa triple black
Old 03-08-2011, 02:00 PM
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